Fewpal
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State the relation between change in area and change in temperature.

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\(\frac{ΔA}{A_0}\) = \(a_AΔT\)

ΔA – Change in area (Final area – Initial area) 

A0 – Original area 

ΔT – Change in temperature (Final temperature – Initial temperature) 

αA – Coefficient of superficial expansion.

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